20129+2913 A  1203BC

Coord 2000	20129+2913		Discov num	A  1203		Comp	BC		Coord arcsec 2000	20 12 56.36 +29 12 42.4
Date first	1905		Date last	2012		Obs	7
Pa first	175		Pa last	176		P.A. Now (θ)	176°
Sep first	0.3		Sep last	0.4		Sep. Now (ρ)	0.4"
Mag pri	11.00		Mag sec	11.80		delta mag (ΔM)	0.8		Spectral class
Pri motion ra	+006		Sec motion ra	+006
Pri motion dec	-003		Sec motion dec	-003
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		88359	20 12 55 +29 12 32	HJ 1492 A,BC	2018	21	54	18.7	10.28	10.54	0.26
Show		88359	20 12 56 +29 12 42	A 1203 BC	2012	7	176	0.4	11.00	11.80	0.80		<===

Triple system
4 visible stars in this system

Precise pa	175.7		Precise sep	0.383		Constellation	Vulpecula		SAO	88359
Tycho2	2166-01089-1		HD	333849

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20129+2913	A 1203	BC	1979	4	4	0.4	11.00	11.80			201256.36+291242.4
20129+2913	A 1203	BC	2007	5	355	0.4	11.00	11.80			201256.36+291242.4

If you need more information about this double, apply for a data request form to the WDS.